CN106885354B - System and method for controlling hot and humid environment of curling stadium - Google Patents
System and method for controlling hot and humid environment of curling stadium Download PDFInfo
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- CN106885354B CN106885354B CN201710261986.1A CN201710261986A CN106885354B CN 106885354 B CN106885354 B CN 106885354B CN 201710261986 A CN201710261986 A CN 201710261986A CN 106885354 B CN106885354 B CN 106885354B
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000033228 biological regulation Effects 0.000 claims abstract description 7
- 230000007613 environmental effect Effects 0.000 claims abstract description 7
- 230000020169 heat generation Effects 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 238000007664 blowing Methods 0.000 claims description 13
- 239000002826 coolant Substances 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- 230000008520 organization Effects 0.000 description 3
- 241000272165 Charadriidae Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0227—Ducting arrangements using parts of the building, e.g. air ducts inside the floor, walls or ceiling of a building
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0236—Ducting arrangements with ducts including air distributors, e.g. air collecting boxes with at least three openings
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Abstract
The invention relates to a system and a method for controlling the hot and humid environment of a curling stadium, which is characterized by comprising a bottom air supply device arranged in a competition area and a top air return device arranged in a spectator area; the bottom air supply device comprises an overhead cavity arranged on two sides of the competition area, an air supply duct arranged in the overhead cavity, and a replacement air supply outlet arranged on the overhead cavity. The invention utilizes the air supply channel positioned at the bottom of the competition area to send low-temperature dry air into the competition area, and sends the low-temperature dry air into the competition area through the replacement air supply outlet, thereby realizing the control of low humidity of the competition area, maintaining the competition area in a micro-positive pressure state as much as possible, and avoiding the interference of heat generation and humidity generation of the audience area with the competition area; simultaneously, utilize the top return air device who sets up in spectator's district to carry out the return air, will indoor heat production, produce wet unified discharge, satisfy the different hot and humid environmental parameter control demands in spectator's district, match district, realize the effective regulation and control to the hot and humid environment in curling venue.
Description
Technical Field
The invention relates to a heating ventilation air conditioning system, in particular to a system and a method for controlling a hot and humid environment of a curling house, belonging to the technical field of energy.
Background
Under the drive of the successful application of Olympic games in the winter of 2022 Beijing, the ice sports have met with unprecedented development opportunities in China. Various sports venues on ice build as fiercely as possible, and the problems of building and controlling the hot and humid environment of the venues corresponding to the sports venues also need efficient and reasonable solutions. At present, indoor ice sports venues in China mainly use entertainment ice venues of the masses, and professional ice sports venues, particularly curling ice venues, are few. Most indoor on-ice sports stadiums have no strict requirements on indoor temperature and humidity, and the air conditioning system mainly aims to prevent fogging near the ice surface and dewing on the inner surface of the enclosure. The temperature parameters of the active area of people near the ice surface are not strictly controlled, and only basic thermal comfort needs to be ensured. And professional ice sports stadiums are generally provided with spectator areas on the periphery, the stadium scale is larger than that of an entertainment ice stadium, an air conditioning system of the stadium is generally similar to that of a conventional stadium, the stadium area adopts air supply tail ends such as a nozzle and a strip seam air port, and an air flow organization form is not specially designed for ice sports requirements.
Unlike a typical ice sports arena, the ice hockey stadium has very strict requirements on the air parameters of the playing area, for example, the requirements of the international curling society on the hot and humid environment of the playing area mainly include that the temperature of the air near the ice surface is 10 ℃, the air flow on the ice surface is not allowed to be obvious (the air flow speed is below 0.2 m/s), and the air dew point temperature of the area near the ice surface is below-4 ℃ (which is about equivalent to the moisture content of the air being below 2.8 g/kg). For the ice kettle stadium, except for the game area, the audience area and the game area have completely different hot and humid environment building requirements. At present, the research on air conditioning systems of curling stadiums is few, and the traditional air conditioning mode is difficult to meet the design requirement. The air conditioner tail end form is mainly based on the upper nozzle air supply, and part of venues are provided with the air supply tail ends near the competition area, for example, a cloth bag air port is arranged behind the enclosure in a certain curling competition venue for supplying air. For the nozzle air supply mode which is mostly adopted in the curling competition venue at present, the air speed at the outlet is usually higher, and the requirement of low air speed in a competition area is met by depending on the attenuation of the air speed after the air speed reaches the competition area. However, this method usually results in air current mixing between the playing area and the spectator area, the heat and moisture generated in the spectator area will interfere with the playing area, and it is difficult to adjust and control the hot and humid environmental parameters of different areas of the whole venue respectively. When the nozzle air supply mode is adopted, if the strict requirements of hot and humid environment parameters of a competition area are met, the air supply quantity of low-temperature and dry air is required to be large, otherwise, the requirements cannot be met.
From the hot and humid environment construction process of the curling stadium, the competition area needs to ensure the harsh environment with low humidity, dryness and no wind speed, and the environmental parameter requirements of the audience area can be relatively relaxed. For the competition area, the drying and low-temperature air supply of the air conditioning system is sent to the competition area as soon as possible, and the heat generation and moisture generation loads (the load sources are athletes and the like) of the competition area are eliminated by utilizing the dry and low-temperature air supply, so that the effective measures for controlling the hot and wet environmental parameters of the competition area are taken; for non-competition areas such as audience areas, how to effectively avoid the influence of heat generation and humidity generation of the areas on competition areas is an important means for ensuring the strict environmental parameter requirements of the competition areas.
Therefore, at present, no efficient air conditioning system or method capable of effectively meeting the regulation and control requirements of the hot and humid environment of the curling stadium and realizing different control parameters in different areas exists. Therefore, how to design a reasonable air conditioner terminal mode and air flow organization form according to the hot and humid environment parameter requirements of different areas of the curling stadium becomes a difficult problem to be solved for better meeting the environment construction requirements of the occasions and realizing a better regulation and control effect.
Disclosure of Invention
In view of the above problems, it is an object of the present invention to provide a system and method for controlling a hot and humid environment in a curling game venue, which effectively combines the air returning modes of a replacement air supply terminal and a concentrated return air terminal.
In order to achieve the purpose, the invention adopts the following technical scheme: a control system for the hot and humid environment of a curling stadium is characterized by comprising a bottom air supply device arranged in a competition area and a top air return device arranged in a spectator area; the bottom air supply device comprises: the two overhead cavities are respectively arranged at two sides of the competition area; the two air supply air channels are respectively arranged in the two overhead cavities; and the two replacement air supply outlets are respectively arranged on the two rack cavities.
In a preferred embodiment, the top of the overhead cavity is higher than the game area, and a fence is continuously arranged on the overhead cavity; the replacement air supply outlet is arranged on one side, facing the competition area, of the overhead cavity, and the lowest air outlet position of the replacement air supply outlet is flush with the heights of the two sides of the competition area.
In a preferred embodiment, the top of the rack cavity is arranged at the same height as the playing area, and the replacement air supply outlet is arranged on the upward side of the overhead cavity.
In a preferred embodiment, the replacement air supply outlet is a continuous air supply outlet arranged along the length direction of the competition area, and the return air inlet is a continuous return air inlet arranged along the length direction of the audience area.
In a preferred embodiment, coolant conduits required for the ice making process of a curling game are disposed within the overhead chamber.
A curling stadium hot and humid environment control method based on the system is characterized by comprising the following steps: the low-temperature dry air is sent into the competition area by utilizing the air supply channel positioned at the bottom of the competition area, and the low-temperature dry air is sent into the competition area through the replacement air supply port, so that the low humidity control of the competition area is realized, the competition area is maintained in a micro-positive pressure state as much as possible, and the interference of heat generation and humidity generation of a spectator area to the competition area is avoided; simultaneously, utilize the top return air device who sets up in spectator's district to carry out the return air, will indoor heat production, produce wet unified discharge, satisfy the different hot and humid environmental parameter control demands in spectator's district, match district, realize the effective regulation and control to the hot and humid environment in curling venue.
In a preferred embodiment, a side blowing mode is adopted, namely, the replacement air blowing openings blow air laterally at the height of two sides of the attached game area.
In a preferred embodiment, a down-draft form is used, i.e., the displacement blow ports blow up or obliquely up.
Due to the adoption of the technical scheme, the invention has the following advantages: 1. the invention can form good air flow organization in the venue by the bottom replacement air supply outlet arranged at both sides of the competition area and the air return inlet arranged at the top of the high audience area: the dry air firstly flows through the competition area, takes away heat and humidity generated in the competition area, then further flows through the audience area, is finally discharged through the air return opening 4, the corresponding air moisture content level is gradually increased, the step regulation and control of the moisture content level (dew point temperature) of the competition area and the audience area are realized, one blast is effectively utilized to create the non-uniform hot and humid environment with different moisture content (dew point temperature), the competition area can be ensured to be in a positive pressure state, and the influence of the heat and humidity generated in the audience area on the competition area is effectively avoided. 2. According to the invention, the air return inlets are uniformly arranged at the top of the audience area, so that the air flow is exhausted after flowing through the audience area, and the influence of the heat and humidity load of the audience area on the competition area can be effectively avoided. 3. The invention can send the low-temperature dry air into the competition area through the air supply outlet arranged at the bottom, the air supply speed is very low (only about 0.5m/s), the air flow speed reaching the competition area is less than 0.2m/s, and the control requirement of the low air speed in the curling competition area can be effectively met. Meanwhile, dry air is delivered into the competition area in an attaching mode, so that a replacement type air supply effect is formed, heat and humidity generated in the competition area are effectively removed, and the low dew point (low moisture content) environment of the competition area is maintained. In conclusion, the air conditioning system can effectively regulate and control indoor hot and humid environments of different areas of a stadium according to hot and humid environment parameter requirements of different areas such as a competition area and a spectator area, is suitable for occasions such as a curling competition stadium, can better meet the indoor temperature and humidity regulation requirements, and can realize efficient operation of the air conditioning system.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
fig. 2 is a schematic view of the overall structure of embodiment 2 of the present invention.
Reference numbers in the figures:
1 is a replacement air supply outlet; 2 is an air supply duct; 3 is a frame cavity; 4 is an air return inlet; 5 is a competition area; 6 is audience area; and 7 is a fence.
Detailed Description
The invention is described in detail below with reference to the figures and examples. It is to be understood, however, that the drawings are provided solely for the purposes of promoting an understanding of the invention and that they are not to be construed as limiting the invention.
Example 1:
as shown in fig. 1, the present embodiment provides a side-blowing curling game venue hot and humid environment control system, which comprises a replacement air blowing port 1, an air blowing duct 2 and an overhead chamber 3 arranged in a game area 5, and an air return port 4 arranged at the top of an audience area 6. Wherein, the two cavities 3 are respectively arranged at two sides of the competition area 5, the top of the overhead cavity 3 is higher than the competition area 5, and the enclosure 6 is continuously arranged on the overhead cavity; air supply duct 2 sets up in built on stilts chamber 3, and replacement supply-air outlet 1 sets up in built on stilts chamber 3 towards the one side of match district 5, and the minimum air-out position of replacement supply-air outlet 1 and the high parallel and level in match district 5 both sides.
In the above embodiment, the replacement air supply port 1 is a continuous air supply port provided along the length of the game zone 5, and the return air port 4 is a continuous return air port provided along the length of the audience zone 6.
In the above embodiment, the coolant pipes (not shown) required for the ice making process of the curling game can also be arranged in the overhead chamber 3.
Based on the system for controlling the hot and humid environment of the curling competition venue provided by the embodiment, the invention also provides a method for controlling the hot and humid environment of the curling competition venue, which comprises the following specific processes:
the low-temperature dry air is sent into the competition area 5 through the replacement air supply outlet 1, the replacement air supply outlet 1 supplies air laterally at the height of the two sides of the attached competition area, the air supply speed is very low (only about 0.5m/s), the air flow rate reaching the ice surface of the competition area and the track is less than 0.2m/s, and the control requirement of the low air speed of the curling competition area 5 can be effectively met; dry air is sent into the competition area 5 in an attaching mode to form a replacement type air supply effect, heat generation and moisture generation of the competition area 5 are effectively eliminated, a low dew point (low moisture content) environment of the competition area 5 is maintained, the competition area 5 is maintained in a micro-positive pressure state as much as possible, and interference of heat generation and moisture generation of the audience area 6 on the competition area 5 is avoided; meanwhile, air is returned through an air return opening 4 formed in the top of the audience area 6, indoor heat and humidity are uniformly removed, the control requirements of different hot and humid environment parameters of the audience area 6 and the competition area 5 are met, and the hot and humid environment of the curling stadium is effectively controlled.
Example 2:
as shown in fig. 2, the present embodiment provides a system for controlling hot and humid environment in a curling game venue with downward blowing, which is different from the system for controlling hot and humid environment in a curling game venue provided in embodiment 1 in that the top of the rack cavity 3 is set to be at the same height as the game area 5, the corresponding replacement blowing port 1 is on the upward side of the overhead cavity 3, and dry air is blown out from the replacement blowing port 1 in a downward blowing manner, so as to achieve upward or obliquely upward blowing.
The above embodiments are only used for illustrating the present invention, and the structure, connection manner, manufacturing process and the like of each component can be changed, and equivalent changes and improvements made on the basis of the technical scheme of the present invention should not be excluded from the protection scope of the present invention.
Claims (6)
1. A control system for the hot and humid environment of a curling stadium is characterized by comprising a bottom air supply device arranged in a competition area and a top air return device arranged in a spectator area; the bottom air supply device comprises:
the two overhead cavities are respectively arranged at two sides of the competition area;
the two air supply air channels are respectively arranged in the two overhead cavities;
the two replacement air supply outlets are respectively arranged on the two rack cavities;
the top of the overhead cavity is higher than the competition area, and a fence is continuously arranged on the overhead cavity; the replacement air supply outlet is arranged on one side of the overhead cavity facing the competition area, and the lowest air outlet position of the replacement air supply outlet is flush with the heights of two sides of the competition area;
or the top of the frame cavity is arranged to be as high as the game area, the replacement air supply outlet is arranged on the upward side of the overhead cavity, the frame cavity is provided with a fence, and the replacement air supply outlet is positioned between the frame cavity and the game area.
2. The system of claim 1, wherein the replacement supply air outlet is a continuous supply air outlet along the length of the playing area, and the top return air device is a continuous return air outlet along the length of the spectator area.
3. The system of claim 1, wherein coolant conduits required for ice making in a curling game are disposed in the overhead chamber.
4. A method for controlling the hot and humid environment of a curling stadium based on the system of claim 1 or 2, characterized in that the method comprises the following steps: the low-temperature dry air is sent into the competition area by utilizing the air supply channel positioned at the bottom of the competition area, and the low-temperature dry air is sent into the competition area through the replacement air supply port, so that the low humidity control of the competition area is realized, the competition area is maintained in a micro-positive pressure state as much as possible, and the interference of heat generation and humidity generation of a spectator area to the competition area is avoided; simultaneously, utilize the top return air device who sets up in spectator's district to carry out the return air, will indoor heat production, produce wet unified discharge, satisfy the different hot and humid environmental parameter control demands in spectator's district, match district, realize the effective regulation and control to the hot and humid environment in curling venue.
5. The method of claim 4, wherein the side blowing type is adopted, that is, the replacement blowing port blows air laterally at the height of the two sides of the game area.
6. The method as claimed in claim 4, wherein the method is implemented by using a down-draft mode, i.e. by replacing the air-blowing opening to blow air upwards or obliquely upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710261986.1A CN106885354B (en) | 2017-04-20 | 2017-04-20 | System and method for controlling hot and humid environment of curling stadium |
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| CN201710261986.1A CN106885354B (en) | 2017-04-20 | 2017-04-20 | System and method for controlling hot and humid environment of curling stadium |
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| CN106885354B true CN106885354B (en) | 2022-05-17 |
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| CN107476484B (en) * | 2017-09-20 | 2023-07-18 | 哈尔滨工业大学建筑设计研究院有限公司 | Thermal buffering energy-saving suspended ceiling applicable to ice and snow sports building track area |
| CN108061355A (en) * | 2017-12-07 | 2018-05-22 | 哈尔滨工业大学建筑设计研究院 | A kind of method of the gallery heating of stadiums on ice |
| CN114623530B (en) * | 2022-02-25 | 2024-02-20 | 青岛海尔空调器有限总公司 | Ice rink refrigerating system, control method and device |
| CN114877435B (en) * | 2022-05-06 | 2024-04-05 | 中建一局集团建设发展有限公司 | Indoor ice stadium humiture combined control method |
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